Ebola affects the brain. He had obviously contracted it while caring for his sister, who died of it, and I’m sure he knew that when he boarded the flight and even when he urinated on the flight attendants - but by then his brain was totally gone.
He was an educated, Westernized man and not likely to have done any of this otherwise. I believe it hits the brain a couple of days before you die, and he did in fact collapse and die in the airport there.
Jul 28, 2014 ... Patrick Sawyer, a consultant for the Liberian finance ministry aged in his ... He was put in isolation at the First Consultants Hospital in Obalende, ...